Congress is hard to deal with, dealing with, you know, multiple parliaments and commissions and unions and this and that and the other, that's very complicated.

The United States does not have a monopoly on crazy people. It's not the only country that has psychosis. And yet we kill each other in these mass shootings at rates that are exponentially higher than anyone else. Well, what's the difference? The difference is that these guys can stack up a bunch of ammunition in their houses, and that's sort of par for the course.

One of the great things about our democracy is it expresses itself in all sorts of ways. And that includes people protesting. I've been the subject of protests during the course of my eight years and I suspect that there's not a president in our history that at some point hasn't been subject to these protests.

If you want a model for what is possible, if you want to see how to build a peaceful and prosperous and dynamic society, then look at Berlin and look at Germany.

Our vulnerability to Russia or any other foreign power is directly related to how divided, partisan, dysfunctional our political process is. That's the thing that makes us vulnerable.

There is not a liberal America and a conservative America - there is the United States of America. There is not a black America and a white America and latino America and asian America - there's the United States of America.

I wish the country had fewer lawyers and more engineers.